St Charles Weather Forecast

    • 68
    • 92

    Partly Sunny

    • 65
    • 84

    Rain Showers

    • 60
    • 80

    Breezy

    • 60
    • 82

    Mostly Sunny

    • 63
    • 83

    Mostly Sunny

    • 64
    • 84

    Mostly Sunny

Today 29 Jul Cuming

Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 100.

Tonight 29 Jul Cuming

Partly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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St Charles Temperature Statistics

July Temperature

Fremont Municipal Airport (26.1 miles)

  • Lowest 22 July, 2026

    61.9 °F

  • Average July

    78.7 °F

  • Highest 26 July, 2026

    99.7 °F

Climate (2021–2026)

Fremont Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    65 °F
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